package com.fxsh168.server.utils;

/**
 * Created by hasee on 2016/10/20.
 */
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Utils {

    /**
     * md5加密方法
     * @param sourceStr
     * @return
     */
    public static String MD532(String sourceStr) {
        String result32="";
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(sourceStr.getBytes());
            byte b[] = md.digest();
            int i;
            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset < b.length; offset++) {
                i = b[offset];
                if (i < 0)
                    i += 256;
                if (i < 16)
                    buf.append("0");
                buf.append(Integer.toHexString(i));
            }
            result32 = buf.toString();
        } catch (NoSuchAlgorithmException e) {
            System.out.println(e);
        }
        return result32;
    }
    public static String MD516(String sourceStr) {
        String result16="";
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(sourceStr.getBytes());
            byte b[] = md.digest();
            int i;
            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset < b.length; offset++) {
                i = b[offset];
                if (i < 0)
                    i += 256;
                if (i < 16)
                    buf.append("0");
                buf.append(Integer.toHexString(i));
            }
            result16 = buf.toString().substring(8, 24);
        } catch (NoSuchAlgorithmException e) {
            System.out.println(e);
        }
        return result16;
    }
}